"Simpsons Treehouse of Horror XXII" courtesy Kristen Hynes / Fox.com
In the spooky opener of the 22nd annual installment of The Simpsons Treehouse of Horror, Homer (Dan Castellaneta) takes a dangerous dive into an isolated canyon on Candy Peak, but when a crashing boulder traps his arm, he channels Aron Ralston (guest-voicing as himself) to save himself.
In The Diving Bell and Butterball, the first of three hair-raising Halloween tales, a venomous spider bite leaves Homer paralyzed, but when Lisa (Yeardley Smith) discovers Homer’s ability to communicate through natural gases, he is able to express his love for Marge (Julie Kavner).
The killer spells continue in Dial D for Diddly, when Ned Flanders (Harry Shearer), devout preacher by day, transforms into a cold-blooded vigilante by night.
In the final terrifying tale, In the Na’Vi, Bart (Nancy Cartwright) and Milhouse (Pamela Hayden) are assigned a mission to access a sacred extract on a distant planet. They morph into the land’s indigenous one-eyed avatars, but when Bart finds love and an eternal mate abroad, he is caught in planet warfare in the all-new Treehouse of Horror XXII” episode of The Simpsons , Sunday, October 30 (8:00-8:30 PM ET/PT) on Fox.